Environment is on of the crucial topics to be prepared or UPSC Civil Services IAS Exam. Questions are asked from environment every year both in prelims and mains. The topic is also equally important for various state level PSC exams. For your convenience we frequently publish study material and notes for environment on this page. Prepare the below mentioned topics as per the syllabus of the exam you are targeting. Leave your queries and suggestions in the comments below.


 Sr. No. Topic 
01. Basics of Ecology – Ecosystem, Biome, Ecotone, Niche

Functions of Ecosystem: Energy Flow, Food Chain, Trophic Level, Ecological Pyramids, Bio Interaction, Biochemical Cycle

 03. Aquatic Ecosystem
 04. Terrestrial Ecosystem: Types of Forest, Deforestation, Grassland Ecosystem
05.  Environmental Pollution: Pollutants, Effects and Types of Pollution
 06. Environmental Issues: Himalayan region, Sand mining, Mobile Phone radiation, Palm oil issue
07. Waste Management Crisis in India – Challenges
08. Renewable Energy in India


Government Initiatives on Environment: Important for UPSC Prelims and Mains

 Sr. No. Topic 
01. Green Skill Development Programme (GSDP)


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Study Material for UPSC IAS Prelims and Mains